IQ plus 2100 Limited Warranty.............................................................................................................. 28
IQ plus 210 Installation Manual
About This Manual
This manual is intended for use by service technicians
responsible for installing and servicing IQ plus
digital bench scales.
Configuration and calibration of the indicator can be
accomplished using the indicator front panel keys, the
EDP command set, or Version 2.3 or later of the
Revolution
™
configuration utility. See Section 3.1 on
page 10 for information about configuration methods.
®
2100
1.0Introduction
Warning
Some procedures described in this
manual require work inside the indicator
enclosure. These procedures are to be
performed by qualified service personnel
only
.
Authorized distributors and their employees
can view or download this manual from the
Rice Lake Weighing Systems distributor site
www.rlws.com
at
.
The IQ plus 2100 digital bench scale consists of an IQ
plus 210 digital weight indicator and an RL2100 bench
scale. The indicator can be mounted to the bench scale
using the 12-inch column or the attachment bracket, or
can be separately mounted on the tilt stand.
The IQ plus 210 is a single-channel digital weight
indicator housed in a NEMA 4X/IP66-rated stainless
steel enclosure. The indicator front panel consists of a
large (.8 in, 20 mm), six-digit, seven-segment LED
display, seven LED annunciators, and two piezo
switches used to zero the scale and select the displayed
units. Features include:
Ω
•Drives up to four 350
•Supports 4- and 6-wire load cell connections
•Two configurable digital inputs
•Single serial port supports full duplex, RS-232
communications at up to 9600 bps
•Available in 115 VAC and 230 VAC versions
load cells
The RL2100 bench scale is available in the following
configurations:
•5, 10, and 25 lb (2.5, 5, and 10 Kg) capacities with a
10" x 10" (25cm x 25cm) platform
•50 and 100 lb (25 and 50 Kg) capacities with a 12" x
12" (30cm x 30cm) platform
The RL1042 anodized aluminum load cell is standard
in the RL2100 bench scale; the RL1380 stainless steel
load cell is available as an option. A stainless steel
clamshell enclosure is also available for load cell
protection.
1.1Operating Modes
The IQ plus 210 has two modes of operation:
Normal (weighing) mode
Normal mode is the “production” mode of the
indicator. The indicator displays the gross weight,
and the LED annunciators described on page 2
indicate scale status and the type of weight value
displayed. Once configuration is complete and a
legal seal is affixed to the back of the indicator, this
is the only mode in which the IQ plus 210 can
operate.
Setup mode
Most of the procedures described in this manual
require the indicator to be in setup mode, including
configuration and calibration.
To enter setup mode, remove the large fillister head
screw from the enclosure backplate. Insert a
screwdriver or a similar tool into the access hole
and press the setup switch once. The indicator
display changes to show the word
CONFIG
.
Introduction
1
2
1.2Front Panel
Figure 1-1 shows the IQ plus 210 LED annunciators, buttons, and normal mode ke y functions.
DIGITAL WEIGHT INDICATOR
Neg
Zero
Motion
ZERO
ZERO
Set scale weight to zero
Figure 1-1. IQ plus 210 Front Panel, Showing LED Annunciators and Normal Mode Key Functions
Change displayed units
UNITS
UNITS
kg
g
lb
oz
1.3LED Annunciators
The IQ plus 210 display uses a set of seven LED
annunciators to provide additional information about
the value being displayed:
Neg annunciator lights to show that the displayed
•
value is negative.
•Zero : Weight is within 0.25 graduations of zero.
This annunciator lights when the scale is zeroed.
•Motion : Scale in motion outside the specified
motion band. Zeroing and print operations can only
be done when the motion LED is off.
lb, kg, oz, and g annunciators indicate the units
•
associated with the displayed value: lb=pounds,
kg=kilograms, oz=ounces, g=grams. lb and oz
annunciators are both lit when the displayed weight
is in pounds and ounces.
1.4Indicator Operations
Basic IQ plus 210 operations are summarized below.
Zero Scale
1. Remove material from the scale and wait for
Motion
the
2. Press the
lights to indicate the scale is zeroed.
Change Display Units
Press the
UNITS
between primary and alternate units. The LED
annunciators on the right side of the display show the
current displayed units. If more than one alternate unit
is configured, the display cycles through the alternate
units before returning to primary units; if no alternate
units are configured, the display does not change when
the button is pressed.
LED to go out.
ZERO
button. The
annunciator
Zero
button to change the displayed units
IQ plus 2100 Installation Manual
Cord grip
Insulated cable
Foil (silver side out)
Grounding clamp
Shield wire (cut)
Length of foil before folding
back on cable insulation
Cut insulation here
for foil-shielded cables
Braid
Cut insulation here
for braided cables
NOTE: Install lockwashers
first, against enclosure,
under grounding clamp
2.0Setup and Service Information
This section describes setup and service procedures for the IQ plus 2100 digital bench scale, including installation
and maintenance information, replacement parts lists, and assembly drawings. See Sections 2.1 through 2.5 for IQ
plus 210 indicator information; see Sections 6.6 and 6.7 for bench scale information.
2.1Enclosure Disassembly
The indicator enclosure must be opened to connect
cables after replacing the load cell, or when connecting
serial communications cables or digital inputs to the
scale.
The IQ plus 210 has no on/off switch.
Warning
Caution
• Use a wrist strap to ground yourself and protect
components from electrostatic discharge (ESD)
when working inside the indicator enclosure.
• This unit uses double pole/neutral fusing which
could create an electric shock hazard. Procedures
requiring work inside the indicator must be
performed by qualified service personnel only.
• The supply cord serves as the power disconnect for
the IQ plus 2100. The power outlet supplying the
indicator must be installed near the unit and be
easily accessible
Ensure power to the indicator is disconnected, then
remove the screws that hold the backplate to the
enclosure body, then lift the backplate away from the
enclosure and set it aside.
2.2Cable Connections
The IQ plus 210 provides three cord grips for cabling
into the indicator: two for the power cord and load cell
cabling, the third for communications and digital input
cables. The free cord grip comes with a plug installed to
prevent moisture from entering the enclosure. If your
application requires serial communication or digital
input cabling, remove the plug and install cables as
described in Sections 2.2.4 and 2.2.5 on page 5.
Before opening the unit, ensure the
power cord is disconnected from the
power outlet.
•Route cables through cord grips and grounding
clamps to determine cable lengths required to
reach cable connectors. Mark cables to remove
insulation and shield as described below:
•For cables with foil shielding, strip insulation
and foil from the cable half an inch (15 mm)
past the grounding clamp (see Figure 2-1). Fold
the foil shield back on the cable where the cable
passes through the clamp. Ensure silver
(conductive) side of foil is turned outward for
contact with the grounding clamp.
•For cables with braided shielding, strip cable
insulation and braided shield from a point just
past the grounding clamp. Strip another half
inch (15 mm) of insulation only to expose the
braid where the cable passes through the clamp
(see Figure 2-1).
IMPOR
•
yellow shield wire 3/4" past the grounding
clamp. Fold wire back and secure between the
cable and clamp. Shield wire function is
provided by contact between the cable shield
and the grounding clamp.
•Route stripped cables through cord grips and
clamps. Ensure shields contact grounding clamps
as shown in Figure 2-1. Tighten grounding clamp
nuts.
•Finish installation using cable mounts and ties to
secure cables inside of indicator enclosure.
TANT!
For load cell cables, strip the
2.2.1Cable Grounding
Except for the power cord, all cables routed through the
cord grips should be grounded against the indicator
enclosure. Do the following to ground shielded cables:
•Use the lockwashers, clamps, and kep nuts
provided in the parts kit to install grounding
clamps on the studs adjacent to the cord grips.
Install grounding clamps only for cord grips that
will be used; do not tighten nuts.
Figur e 2-1. Grounding Clamp Attachment for Foil-Shielded
and Braided Cabling
Setup and Service Information
3
To setup switch
Microprocessor
J1
GND
RESET
A/D Converter
GND
11
J3
J2
DIGIN 2 DIGIN 1
UNITS
Button
J4
DIGITAL
+5V
TEST
VR1VR2
JP2
JP1
LOAD CELL CONNECTOR
1 23456
–SIG
+SIG
+SENSE
ANALOG
+5V
TEST
+EXC
–SENSE
J5
–EXC
4
GND
JP1
ON
OFF
Load cell
compensation
jumper
VR3
TxD
1
GND
2
RxD
3
J7
TP1
+
BR1
–
TP2
Transformer
SERIAL COMM
J8
ZERO
Button
J6
Blue wire
Power
Input
F1F2
Brown wire
Figure 2-2. IQ plus 210 CPU and Power Supply Board
2.2.2Load Cells
Wire the load cell cable to connector J5 as shown in
Table 2-1. If using 6-wire load cell cable (with sense
wires), remove jumpers JP1 and JP2 (see Figure 2-2).
For 4-wire installation, leave jumpers JP1 and JP2 on.
NOTE: All models come with ten feet of color-coded
load cell cable. Do not cut this cable! The load cell is
temperature-compensated for an exact cable length of
ten feet. Cutting the load cell cable voids the load cell
warranty.
When connections are complete, use two cable ties to
secure the load cell cable to the inside of the enclosure.
1.Use grounding procedure described in Section 2.2.1
on page 3 to attach shield wire to backplate.
2.For 6-wire connections, remove jumpers JP1 and JP2.
Table 2-1. J5 Pin Assignments
RL1040
RL1042
RL1380
2.2.3Setting the Load Cell Compensation Jumper
The load cell compensation jumper (above the
ZERO
button location on the CPU board; see Figure 2-2) must
be set for the type of load cell connected to the
indicator:
•For load cells with balanced bridges, set the
jumper in the OFF position. Balanced load cells
include the RL1040, RL1250, RL1260, RL1380,
and RL1385.
•For load cells with unbalanced bridges, follow the
procedure below to determine the correct jumper
position. Examples of unbalanced cells include
the RL1042 and RL1010.
To determine the correct jumper position for
unbalanced cells, do the following;
1. Disconnect load cell from indicator.
2. Use an ohmmeter to measure +EXC to +SIG and
+EXC to –SIG. Measured values between the
excitation line and each of the signal lines should
Ω
be within 2–3
.
3. Next, measure –EXC to +SIG and –EXC to
–SIG. Measured values between the excitation
line and each of the signal lines should be within
Ω
.
2–3
≥
4. If the +EXC measurements (step 2) are
5%
larger than the –EXC measurements (step 3), set
the compensation jumper in the ON position. If
the +EXC measurements are < 5% greater (or are
less) than the –EXC measurements, set the
jumper in the OFF position.
IQ plus 2100 Installation Manual
2.2.4Serial Communications
To attach serial communications cables, connect
communications cables to connector J7 as shown in
Table 2-2. Use cable ties to secure serial cable to the
inside of the enclosure.
Use the SERIAL menu to configure serial
communications. See Section 3.2.4 on page 18 for
configuration information.
J7 PinLabelFunction
1TxDRS-232 TxD
2GNDRS-232 Ground
3RxDRS-232 RxD
Table 2-2. J7 Pin Assignments
2.2.5Digital Inputs
Digital inputs (connectors J2 and J3) can be used to
perform remote ZERO and UNITS key presses or to
send serial data to a printer (remote PRINT key
function). The inputs are active (on) with lo w v oltage (0
VDC) and can be driven by TTL or 5V logic without
additional hardware. Use the DIG IN menu to configure
the digital inputs. See Section 3.2.5 on page 19 for
information about configuring the digital inputs.
2.4Board Removal
If you must remove the IQ plus 210 CPU board, use the
following procedure:
1. Disconnect power to the indicator. Remove
backplate as described in Section 2.1 on
page 3.
2. Remove connections to J5 (load cell cable), J7
(serial communications), J2 and J3 (digital
inputs), J4 and J6 (piezo button inputs), and J1
(setup switch). Remove blue and brown power
input wires at J8. See Figure 2-2 on page 4 for
connector locations.
3. Remove the five nuts from the CPU board, then
lift the board out of the enclosure.
To replace the CPU board, reverse the above procedure.
Be sure to reinstall cable ties to secure all cables inside
the indicator enclosure.
2.3Enclosure Reassembly
Once cabling is complete, position the backplate over
the enclosure and reinstall the backplate screws. Use
the torque pattern shown in Figure 2-3 to prevent
distorting the backplate gasket. Torque screws to 15
in-lb (1.7 N-m).
Torque pattern
1
To rque backplate screws to 15 in-lb (1.7 N-m)
5
Fillister head screws
3
Figure 2-3. IQ plus 210 Enclosure Backplate
10
Setup switch access screw
7
8
9
4
6
2
Setup and Service Information
5
6
2.5IQ plus 210 Replacement Parts
Table 2-3 lists replacement parts for the IQ plus 210, including all parts referenced in Figures 2-4 through 2-8.
Ref
Number
114626Kep nuts, 8-32NC hex (3)Figure 2-4 on page 7, Figure 2-7 on page 8
253651Display and CPU board assembly, 115 VAC (1)Figure 2-5 on page 8
315365Board mounting spacers (5)
452483Enclosure backplate (1)Figure 2-4 on page 7
515626Cable grips, PG9 (2)Figure 2-8 on page 9
630375Nylon seal rings for cable grips (3)
715627Locknuts, PCN9 (3)
819538Cable grip plugs (2)
945042Sealing washers (10)Figure 2-4 on page 7
1044676Sealing washer for setup switch access screw (1)
1142640Setup switch access screw, 1/4 x 28NF x 1/4 (1)
1241965Power cord assembly, 115VAC (1)Figure 2-8 on page 9
1341964Line filter assembly (1)Figure 2-6 on page 8
1414621Kep nuts, 6-32NC hex (5)Figure 2-5 on page 8
2015134Lock washers, internal tooth, No. 8 , Type A (4)Figure 2-4 on page 7, Figure 2-7 on page 8
2252853Overlay membrane panel (1)Figure 2-8 on page 9
2352482Enclosure (1)
2414862Screws, 8-32NC x 3/8 (8)Figure 2-4 on page 7
2645043Ground wire, 4-in., No. 8 (1)
2739037Backplate gasket (1)
2849910Setup switch assembly (1)Figure 2-6 on page 8
2916892Ground/Earth Label (1)
3015650Cable tie mounts (1)
3145302Line filter standoffs (2)
3315131Lock washers, external tooth, No. 6, Type A (10)Figure 2-5 on page 8
3461113Piezo switches (2)Figure 2-8 on page 9
3530623Fillister head screws, 8-32NC x 7/16 (2)Figure 2-4 on page 7
—53848200 mA TR5 subminiature fuses (2), 115 VACF1 and F2 in Figure 2-2 on page 4
Caution
PNDescription (Quantity)Figure
53650Display and CPU board assembly, 230 VAC (1)
45254Power cord assembly, 230VAC (1)
53881100 mA TR5 subminiature fuses (2), 230 VAC
(See Caution below)
For protection against risk of fire, replace fuses only with same type and rating fuse.
See Section 6.4 on page 27 for complete fuse specifications.
IQ plus 2100 Installation Manual
Table 2-3. Replacement Parts
4
27
26
B
9/10X
24/8X
A
11
10
See Line Filter
and
Ground Post
Assembly
35/2X
Figure 2-4. IQ plus 210 Backplate Assembly
Setup and Service Information
7
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